The minimalistic version of https://github.com/dkorolev/ariadne/blob/master/test/ariadne_client.js.

Will connect to an running server or spawn a new one (use --server_command /path/to/my/binary or --connect_to_existing) and have its Thrifted methods prefixed with ariadne_* exported as HTTP endpoints on http://localhost:$PORT/ariadne/*.